1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Sav [38]
2 years ago
11

Lion 7

Chemistry
1 answer:
Sidana [21]2 years ago
3 0

Answer:

A.

Explanation:

You should NEVER eat or drink anything in a lab area. You never know what chemicals or gases are in the lab, and they can harm you.

Wearing a drawstring hoodie won't protect you from chemicals.

Don't wait to clean up chemicals, immediately get a teacher and clean it up (follow the teachers instructions). You never know what has spilled, and if it is harmful or not, or if there is a certain procedure to clean it up.

Don't change the equipment in the middle of an experiment. This can tamper with your results, and depending on what you are working with, this can be dangerous.

You might be interested in
The role an organism plays in an ecosystem is its<br> habitat<br> population<br> niche<br> community
Hitman42 [59]
The answer for this question is niche.
7 0
3 years ago
The following choices contain densities of various materials. Based on these data, which will yield the fastest seismic velocity
Eduardwww [97]

Answer:

D. 5.6 g/cm^3

Explanation:

On the average seismic velocity increases with increase in depth due higher the pressure and more compaction

sand and shales in the Niger Delta Basin density–velocity relationship is

P = 0.31×V^0.25

A derivation of the original Gardner equation to calculate the average densities for sands and shales in wells.

ρ = α ×V^β

where

ρ = bulk density in g/cm3,

V = P-wave velocity,

α = 0.31 for V (m/s) and 0.23 for V(ft/s) and

β = 0.25.

Such that

ρ = 0.31 ×V^0.25

So the fastest seismic velocity will be in the densest material which is D. 5.6 g/cm3

5 0
3 years ago
What is a property of a substance?
S_A_V [24]

Answer:

A physical property is a characteristic of a substance that can be observed or measured without changing the identity of the substance.

Explanation:

Physical properties include color, density, hardness, and melting and boiling points. A chemical property describes the ability of a substance to undergo a specific chemical change.

8 0
2 years ago
Which component of air is given off when silicon dioxide is passed through air during the industrial preparation of air
Ksivusya [100]

Answer:

Answer the following questions: What is the composition of air? Answer: Air is composed of nitrogen, oxygen, carbon dioxide, many other gases, water vapour and dust particles. Which gas in the atmosphere is essential for respiration?

Explanation:

3 0
3 years ago
Read 2 more answers
Find the mass of 250.0 mL of benzene. The density of benzene is 0.90 g/mL.
guapka [62]

Answer:

<h2>225 g</h2>

Explanation:

The mass of a substance when given the density and volume can be found by using the formula

mass = Density × volume

From the question we have

mass = 0.9 × 250

We have the final answer as

<h3>225 g</h3>

Hope this helps you

7 0
2 years ago
Other questions:
  • How do the particles in each state of matter move
    7·1 answer
  • which of the following is a product formed whrb NO2 and H2O react together A O2 B HNO3 C H2 D P(OH)2
    8·2 answers
  • What is 256ml to liters
    12·2 answers
  • A 30.0-mL sample of 0.165 M propanoic acid is titrated with 0.300 M KOH.
    12·1 answer
  • The molality of a solution containing 8.1 moles of solute in 4847 g of solvent is ____.
    15·2 answers
  • A graduated cylinder is filled with 34.4 mL of water. A toy Car that weighs 43.672-g is Gently placed in the cylinder and the wa
    13·1 answer
  • Mass is:
    13·2 answers
  • What is the mass of oxygen in 10.0 g of water?
    13·2 answers
  • Which statement is true for photosynthesis
    14·1 answer
  • Because both tin and carbon are members of Group 4A(14), they form structurally similar compounds. However, tin exhibits a great
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!